Ninestars Information Technologies Data Scientist Interview Questions and Answers

Q1. Time Series Forecasting, ACF and PACF Curves, ARIMA model
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Q2. Questions on classical machine learning
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Q1. Bias Variance tradeoff, decision trees, sigmoid function
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Q2. Bagging boosting linear regression any many more
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Q1. Tell me about yourself
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Q2. Give me project details
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Q1. Mostly Dax and sql related questions
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Q2. ETL related questions
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Q1. Explain resume projects
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Resume projects showcase practical skills and experiences relevant to the job, highlighting problem-solving and teamwork abilities.
• Include projects that demonstrate relevant technical skills, such as a web application built using React and Node.js.

• Highlight collaborative projects, like a team-based data analysis project using Python and SQL to derive insights from a dataset.

• Mention any leadership roles in projects, suc...read more
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Q2. Python memory management
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Aptitude test all mathematical and general aptitude questions

Any topic related to current trends

Q1. Totally technical round all the questions related to the position that you are applying for
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Q2. Different types of Models etc..
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There are various types of models used in different fields such as statistical models, mathematical models, physical models, etc.
• Statistical models: Used in data analysis to make predictions or draw inferences.

• Mathematical models: Represented using mathematical equations to describe real-world phenomena.

• Physical models: Used to simulate physical systems or objects for testing or analysis.

• Computer models: Utilized in co...read more
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Q3. Explain Bug life cycle or defect life cycle
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Q1. Why did we hired you
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Q2. What is next 5 years see your self
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In five years, I envision myself as a skilled professional, leading projects and mentoring others in my field.
• I aim to take on leadership roles, guiding teams to success on complex projects.

• I plan to enhance my expertise through continuous learning and certifications, such as PMP or relevant industry-specific credentials.

• I hope to contribute to innovative solutions that drive the company forward, similar to how I impro...read more
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